Question

Simplify: [{(+17)-20}+21]-20​

Answer 1

Answer:

Step-by-step explanation:

{(+17)-20}+21]-20​

= (-3+21)-20

= (18)-20

= - 360

Answer 2

Answer:

THE ANSWER IS 2

Step-by-step explanation:

(17 - 20 + 21) - 20 = (38 -20) - 20

                            = 20 - 18

                            = 2